[0031] 为了更好地理解本发明,下面结合具体实施例对本发明作进一步的描述,其中实施例中使用的术语是为了描述特定的具体实施方案,不构成对本发明保护范围的限制。实施例中所用原料均为普通市售产品,因此不需要对其来源做具体限定。
[0032] 实施例1
[0033] 将20.7mg(0.1mmol)2-(对甲苯基)吲哚嗪、1.1mg(0.001mmol)孟加拉玫瑰红、16.6mg(0.1mmol)碘化钾置于25ml带有搅拌子的试管中,于室温加入1mL二甲基亚砜后,再分别加入14.3mg(0.11mmol)苯丙炔醛,在蓝光照射下搅拌12小时,旋干后快速柱层析得到目标产物,产率为89%。
[0034]
[0035] 吡咯[2,1,5-cd]吲哚嗪环的1H NMR,13C NMR,HR-ESI-MS谱图数据分别如下:
[0036] 1H NMR(400MHz,Chloroform-d):δ10.11(s,1H),8.50(dd,J=6.3,2.2Hz,1H),7.93(d,J=6.3Hz,2H),7.53(dd,J=8.0,1.4Hz,2H),7.48(t,J=7.3Hz,1H),7.45–7.39(m,
3H),7.29(d,J=8.1Hz,2H),7.02(d,J=7.9Hz,2H),2.35(s,3H).
[0037] 13C NMR(101MHz,Chloroform-d):δ187.63,138.68,138.21,138.12,132.28,131.62,131.43,130.50,129.33,129.07,129.04,128.71,128.34,126.26,123.41,120.57,
114.87,113.46,111.84,21.23.
[0038] HR-ESI-MS:m/z calcd.for C23H15NO[M+Na]+:358.1201;found:358.1202.[0039] 实施例2
[0040] 与实施例1的区别在于,苯丙炔醛与2-(对甲苯基)吲哚嗪的摩尔比为0.6:1,孟加拉玫瑰红与苯丙炔醛的摩尔比为0.001:1,碘化钾与苯丙炔醛的摩尔比为0.01:1,二甲基亚砜的含量为0.5mL,蓝光LED照射下搅拌13h。旋干后快速柱层析得到目标产物,产率为80%。
[0041] 其他原料来源及含量和制备方法均与实施例1相同。
[0042] 1H NMR(400MHz,Chloroform-d):δ10.11(s,1H),8.50(dd,J=6.3,2.2Hz,1H),7.93(d,J=6.3Hz,2H),7.53(dd,J=8.0,1.4Hz,2H),7.48(t,J=7.3Hz,1H),7.45–7.39(m,
3H),7.29(d,J=8.1Hz,2H),7.02(d,J=7.9Hz,2H),2.35(s,3H).
[0043] 13C NMR(101MHz,Chloroform-d):δ187.63,138.68,138.21,138.12,132.28,131.62,131.43,130.50,129.33,129.07,129.04,128.71,128.34,126.26,123.41,120.57,
114.87,113.46,111.84,21.23.
[0044] HR-ESI-MS:m/z calcd.for C23H15NO[M+Na]+:358.1201;found:358.1202.[0045] 实施例3
[0046] 与实施例1的区别在于,苯丙炔醛与2-(对甲苯基)吲哚嗪的摩尔比为3:1,孟加拉玫瑰红与苯丙炔醛的摩尔比为3:1,碘化钾与苯丙炔醛的摩尔比为3:1,二甲基亚砜的含量为1.5mL,蓝光LED照射下搅拌13h。旋干后快速柱层析得到目标产物,产率为85%。
[0047] 其他原料来源及含量和制备方法均与实施例1相同。
[0048] 1H NMR(400MHz,Chloroform-d):δ10.11(s,1H),8.50(dd,J=6.3,2.2Hz,1H),7.93(d,J=6.3Hz,2H),7.53(dd,J=8.0,1.4Hz,2H),7.48(t,J=7.3Hz,1H),7.45–7.39(m,
3H),7.29(d,J=8.1Hz,2H),7.02(d,J=7.9Hz,2H),2.35(s,3H).
[0049] 13C NMR(101MHz,Chloroform-d):δ187.63,138.68,138.21,138.12,132.28,131.62,131.43,130.50,129.33,129.07,129.04,128.71,128.34,126.26,123.41,120.57,
114.87,113.46,111.84,21.23.
[0050] HR-ESI-MS:m/z calcd.for C23H15NO[M+Na]+:358.1201;found:358.1202.[0051] 实施例4
[0052] 将19.3mg(0.1mmol)2-苯基吲哚嗪、1.1mg(0.001mmol)孟加拉玫瑰红、16.6mg(0.1mmol)碘化钾置于25ml带有搅拌子的试管中,于室温加入1mL二甲基亚砜后,再分别加入13.6mg(0.11mmol)2-辛醛,在蓝光照射下搅拌12小时,旋干后快速柱层析得到目标产物,产率是61%。
[0053]
[0054] 吡咯[2,1,5-cd]吲哚嗪环的1H NMR,13C NMR,HR-ESI-MS谱图数据分别如下:
[0055] 1H NMR(400MHz,Chloroform-d):δ10.44(s,1H),8.33(dd,J=5.1,3.4Hz,1H),7.89–7.85(m,2H),7.77(d,J=7.0Hz,2H),7.54(t,J=7.4Hz,2H),7.47(d,J=7.4Hz,1H),
7.35(s,1H),3.40–3.35(m,2H),1.76–1.70(m,2H),1.37–1.31(m,2H),1.28–1.24(m,2H),
0.81(t,J=7.2Hz,3H).
[0056] 13C NMR(101MHz,Chloroform-d):δ185.19,140.46,137.91,134.76,131.23,130.37,130.05,128.91,128.81,128.32,125.55,124.53,120.49,113.12,112.86,112.03,
77.20,32.48,31.82,26.20,22.21,13.89.
[0057] HR-ESI-MS:m/z calcd.for C16H17OS[M+H]+:316.1695;found:316.1696.[0058] 实施例5
[0059] 与实施例4的区别在于,2-辛醛与2-(对甲苯基)吲哚嗪的摩尔比为0.6:1,孟加拉玫瑰红与2-辛醛的摩尔比为0.001:1,碘化钾与2-辛醛的摩尔比为0.01:1,二甲基亚砜的含量为0.5mL,蓝光LED照射下搅拌13h。旋干后快速柱层析得到目标产物,产率为55%。
[0060] 其他原料来源及含量和制备方法均与实施例4相同。
[0061] 1H NMR(400MHz,Chloroform-d):δ10.44(s,1H),8.33(dd,J=5.1,3.4Hz,1H),7.89–7.85(m,2H),7.77(d,J=7.0Hz,2H),7.54(t,J=7.4Hz,2H),7.47(d,J=7.4Hz,1H),
7.35(s,1H),3.40–3.35(m,2H),1.76–1.70(m,2H),1.37–1.31(m,2H),1.28–1.24(m,2H),
0.81(t,J=7.2Hz,3H).
[0062] 13C NMR(101MHz,Chloroform-d):δ185.19,140.46,137.91,134.76,131.23,130.37,130.05,128.91,128.81,128.32,125.55,124.53,120.49,113.12,112.86,112.03,
77.20,32.48,31.82,26.20,22.21,13.89.
[0063] HR-ESI-MS:m/z calcd.for C16H17OS[M+H]+:316.1695;found:316.1696.[0064] 实施例6
[0065] 与实施例4的区别在于,2-辛醛与2-(对甲苯基)吲哚嗪的摩尔比为3:1,孟加拉玫瑰红与2-辛醛的摩尔比为3:1,碘化钾与2-辛醛的摩尔比为3:1,二甲基亚砜的含量为1.5mL,蓝光LED照射下搅拌13h。旋干后快速柱层析得到目标产物,产率为59%。
[0066] 其他原料来源及含量和制备方法均与实施例4相同。
[0067] 1H NMR(400MHz,Chloroform-d):δ10.44(s,1H),8.33(dd,J=5.1,3.4Hz,1H),7.89–7.85(m,2H),7.77(d,J=7.0Hz,2H),7.54(t,J=7.4Hz,2H),7.47(d,J=7.4Hz,1H),
7.35(s,1H),3.40–3.35(m,2H),1.76–1.70(m,2H),1.37–1.31(m,2H),1.28–1.24(m,2H),
0.81(t,J=7.2Hz,3H).
[0068] 13C NMR(101MHz,Chloroform-d):δ185.19,140.46,137.91,134.76,131.23,130.37,130.05,128.91,128.81,128.32,125.55,124.53,120.49,113.12,112.86,112.03,
77.20,32.48,31.82,26.20,22.21,13.89.
[0069] HR-ESI-MS:m/z calcd.for C16H17OS[M+H]+:316.1695;found:316.1696.[0070] 实施例7
[0071] 将19.3mg(0.1mmol)2-苯基吲哚嗪、1.1mg(0.001mmol)孟加拉玫瑰红、16.6mg(0.1mmol)碘化钾置于25ml带有搅拌子的试管中,于室温加入1mL二甲基亚砜后,再分别加入7.5mg(0.11mmol)丙炔酸甲酯,在蓝光照射下搅拌12小时,旋干后快速柱层析得到目标产物,产率为70%。
[0072]
[0073] 吡咯[2,1,5-cd]吲哚嗪环的1H NMR,13C NMR,HR-ESI-MS谱图数据分别如下:
[0074] 1H NMR(400MHz,Chloroform-d):δ8.34(d,J=7.5Hz,1H),8.29(s,1H),8.02(d,J=8.2Hz,2H),7.84(d,J=12.5Hz,2H),7.55–7.49(m,3H),7.41(t,J=7.4Hz,1H),4.03(s,3H).
[0075] 13C NMR(101MHz,Chloroform-d):δ165.51,135.66,134.05,131.96,129.83,129.11,128.46,127.58,124.43,124.38,119.57,114.77,114.03,113.05,109.10,51.41.[0076] HR-ESI-MS:m/z calcd.for C23H24O2NS2[M+H]+:276.1019;found:276.1017.[0077] 实施例8
[0078] 与实施例7的区别在于,丙炔酸甲酯与2-(对甲苯基)吲哚嗪的摩尔比为0.6:1,孟加拉玫瑰红与丙炔酸甲酯的摩尔比为0.001:1,碘化钾与丙炔酸甲酯的摩尔比为0.01:1,二甲基亚砜的含量为0.5mL,蓝光LED照射下搅拌13h。旋干后快速柱层析得到目标产物,产率为60%。
[0079] 其他原料来源及含量和制备方法均与实施例7相同。
[0080] 1H NMR(400MHz,Chloroform-d):δ8.34(d,J=7.5Hz,1H),8.29(s,1H),8.02(d,J=8.2Hz,2H),7.84(d,J=12.5Hz,2H),7.55–7.49(m,3H),7.41(t,J=7.4Hz,1H),4.03(s,3H).
[0081] 13C NMR(101MHz,Chloroform-d):δ165.51,135.66,134.05,131.96,129.83,129.11,128.46,127.58,124.43,124.38,119.57,114.77,114.03,113.05,109.10,51.41.[0082] HR-ESI-MS:m/z calcd.for C23H24O2NS2[M+H]+:276.1019;found:276.1017.[0083] 实施例9
[0084] 与实施例7的区别在于,丙炔酸甲酯与2-(对甲苯基)吲哚嗪的摩尔比为3:1,孟加拉玫瑰红与丙炔酸甲酯的摩尔比为3:1,碘化钾与丙炔酸甲酯的摩尔比为3:1,二甲基亚砜的含量为1.5mL,蓝光LED照射下搅拌13h。旋干后快速柱层析得到目标产物,产率为67%。
[0085] 其他原料来源及含量和制备方法均与实施例7相同。
[0086] 1H NMR(400MHz,Chloroform-d):δ8.34(d,J=7.5Hz,1H),8.29(s,1H),8.02(d,J=8.2Hz,2H),7.84(d,J=12.5Hz,2H),7.55–7.49(m,3H),7.41(t,J=7.4Hz,1H),4.03(s,3H).
[0087] 13C NMR(101MHz,Chloroform-d):δ165.51,135.66,134.05,131.96,129.83,129.11,128.46,127.58,124.43,124.38,119.57,114.77,114.03,113.05,109.10,51.41.[0088] HR-ESI-MS:m/z calcd.for C23H24O2NS2[M+H]+:276.1019;found:276.1017.[0089] 实施例10
[0090] 将19.3mg(0.1mmol)2-苯基吲哚嗪、1.1mg(0.001mmol)孟加拉玫瑰红、16.6mg(0.1mmol)碘化钾置于25ml带有搅拌子的试管中,于室温加入1mL二甲基亚砜后,再分别加入15.0mg(0.11mmol)3-(噻吩-2-炔基)丙醛,在蓝光照射下搅拌12小时,旋干后快速柱层析得到目标产物,产率为89%。
[0091]
[0092] 吡咯[2,1,5-cd]吲哚嗪环的1H NMR,13C NMR,HR-ESI-MS谱图数据分别如下:
[0093] 1H NMR(400MHz,Chloroform-d):δ10.32(s,1H),8.51(t,J=4.2Hz,1H),7.93(d,J=4.2Hz,2H),7.48(dd,J=12.6,6.5Hz,3H),7.42(s,1H),7.35–7.29(m,3H),7.19(d,J=3.5Hz,1H),7.12(dd,J=5.1,3.6Hz,1H).
[0094] 13C NMR(101MHz,Chloroform-d):δ187.44,137.98,133.51,132.39,131.40,130.79,130.16,129.34,129.17,128.52,128.35,128.26,127.57,126.42,123.70,121.04,
115.27,113.95,112.73.
[0095] HR-ESI-MS:m/z calcd.for C23H24O2NS2[M+H]+:328.0790;found:328.0790.[0096] 实施例11
[0097] 与实施例10的区别在于,3-(噻吩-2-炔基)丙醛与2-(对甲苯基)吲哚嗪的摩尔比为0.6:1,孟加拉玫瑰红与3-(噻吩-2-炔基)丙醛的摩尔比为0.001:1,碘化钾与3-(噻吩-2-炔基)丙醛的摩尔比为0.01:1,二甲基亚砜的含量为0.5mL,蓝光LED照射下搅拌13h。旋干后快速柱层析得到目标产物,产率为80%。
[0098] 其他原料来源及含量和制备方法均与实施例10相同。
[0099] 1H NMR(400MHz,Chloroform-d):δ10.32(s,1H),8.51(t,J=4.2Hz,1H),7.93(d,J=4.2Hz,2H),7.48(dd,J=12.6,6.5Hz,3H),7.42(s,1H),7.35–7.29(m,3H),7.19(d,J=3.5Hz,1H),7.12(dd,J=5.1,3.6Hz,1H).
[0100] 13C NMR(101MHz,Chloroform-d):δ187.44,137.98,133.51,132.39,131.40,130.79,130.16,129.34,129.17,128.52,128.35,128.26,127.57,126.42,123.70,121.04,
115.27,113.95,112.73.
[0101] HR-ESI-MS:m/z calcd.for C23H24O2NS2[M+H]+:328.0790;found:328.0790.[0102] 实施例12
[0103] 与实施例10的区别在于,3-(噻吩-2-炔基)丙醛与2-(对甲苯基)吲哚嗪的摩尔比为3:1,孟加拉玫瑰红与3-(噻吩-2-炔基)丙醛的摩尔比为3:1,碘化钾与3-(噻吩-2-炔基)丙醛的摩尔比为3:1,二甲基亚砜的含量为1.5mL,蓝光LED照射下搅拌13h。旋干后快速柱层析得到目标产物,产率为85%。
[0104] 其他原料来源及含量和制备方法均与实施例10相同。
[0105] 1H NMR(400MHz,Chloroform-d):δ10.32(s,1H),8.51(t,J=4.2Hz,1H),7.93(d,J=4.2Hz,2H),7.48(dd,J=12.6,6.5Hz,3H),7.42(s,1H),7.35–7.29(m,3H),7.19(d,J=3.5Hz,1H),7.12(dd,J=5.1,3.6Hz,1H).
[0106] 13C NMR(101MHz,Chloroform-d):δ187.44,137.98,133.51,132.39,131.40,130.79,130.16,129.34,129.17,128.52,128.35,128.26,127.57,126.42,123.70,121.04,
115.27,113.95,112.73.
[0107] HR-ESI-MS:m/z calcd.for C23H24O2NS2[M+H]+:328.0790;found:328.0790.[0108] 对比例1
[0109] 与实施例1的区别在于,苯丙炔醛与2-(对甲苯基)吲哚嗪的摩尔比为0.4:1,孟加拉玫瑰红与苯丙炔醛的摩尔比为0.001:1,碘化钾与苯丙炔醛的摩尔比为0.005:1,二甲基亚砜的含量为0.3mL,蓝光LED照射下搅拌11h。旋干后快速柱层析得到目标产物,产率为75%。
[0110] 其他原料来源及含量和制备方法均与实施例1相同。
[0111] 1H NMR(400MHz,Chloroform-d):δ10.11(s,1H),8.50(dd,J=6.3,2.2Hz,1H),7.93(d,J=6.3Hz,2H),7.53(dd,J=8.0,1.4Hz,2H),7.48(t,J=7.3Hz,1H),7.45–7.39(m,
3H),7.29(d,J=8.1Hz,2H),7.02(d,J=7.9Hz,2H),2.35(s,3H).
[0112] 13C NMR(101MHz,Chloroform-d):δ187.63,138.68,138.21,138.12,132.28,131.62,131.43,130.50,129.33,129.07,129.04,128.71,128.34,126.26,123.41,120.57,
114.87,113.46,111.84,21.23.
[0113] HR-ESI-MS:m/z calcd.for C23H15NO[M+Na]+:358.1201;found:358.1202.[0114] 对比例2
[0115] 与实施例1的区别在于,苯丙炔醛与2-(对甲苯基)吲哚嗪的摩尔比为4:1,孟加拉玫瑰红与苯丙炔醛的摩尔比为4:1,碘化钾与苯丙炔醛的摩尔比为4:1,二甲基亚砜的含量为1.8mL,蓝光LED照射下搅拌14h。旋干后快速柱层析得到目标产物,产率为79%。
[0116] 其他原料来源及含量和制备方法均与实施例1相同。
[0117] 1H NMR(400MHz,Chloroform-d):δ10.11(s,1H),8.50(dd,J=6.3,2.2Hz,1H),7.93(d,J=6.3Hz,2H),7.53(dd,J=8.0,1.4Hz,2H),7.48(t,J=7.3Hz,1H),7.45–7.39(m,
3H),7.29(d,J=8.1Hz,2H),7.02(d,J=7.9Hz,2H),2.35(s,3H).
[0118] 13C NMR(101MHz,Chloroform-d):δ187.63,138.68,138.21,138.12,132.28,131.62,131.43,130.50,129.33,129.07,129.04,128.71,128.34,126.26,123.41,120.57,
114.87,113.46,111.84,21.23.
[0119] HR-ESI-MS:m/z calcd.for C23H15NO[M+Na]+:358.1201;found:358.1202.[0120] 对比例3
[0121] 与实施例4的区别在于,2-辛醛与2-(对甲苯基)吲哚嗪的摩尔比为0.5:1,孟加拉玫瑰红与2-辛醛的摩尔比为0.001:1,碘化钾与2-辛醛的摩尔比为0.05:1,二甲基亚砜的含量为0.3mL,蓝光LED照射下搅拌11h。旋干后快速柱层析得到目标产物,产率为50%。
[0122] 其他原料来源及含量和制备方法均与实施例4相同。
[0123] 1H NMR(400MHz,Chloroform-d):δ10.44(s,1H),8.33(dd,J=5.1,3.4Hz,1H),7.89–7.85(m,2H),7.77(d,J=7.0Hz,2H),7.54(t,J=7.4Hz,2H),7.47(d,J=7.4Hz,1H),
7.35(s,1H),3.40–3.35(m,2H),1.76–1.70(m,2H),1.37–1.31(m,2H),1.28–1.24(m,2H),
0.81(t,J=7.2Hz,3H).
[0124] 13C NMR(101MHz,Chloroform-d):δ185.19,140.46,137.91,134.76,131.23,130.37,130.05,128.91,128.81,128.32,125.55,124.53,120.49,113.12,112.86,112.03,
77.20,32.48,31.82,26.20,22.21,13.89.
[0125] HR-ESI-MS:m/z calcd.for C16H17OS[M+H]+:316.1695;found:316.1696.[0126] 对比例4
[0127] 与实施例4的区别在于,2-辛醛与2-(对甲苯基)吲哚嗪的摩尔比为4:1,孟加拉玫瑰红与2-辛醛的摩尔比为4:1,碘化钾与2-辛醛的摩尔比为4:1,二甲基亚砜的含量为1.8mL,蓝光LED照射下搅拌14h。旋干后快速柱层析得到目标产物,产率为54%。
[0128] 其他原料来源及含量和制备方法均与实施例4相同。
[0129] 1H NMR(400MHz,Chloroform-d):δ10.44(s,1H),8.33(dd,J=5.1,3.4Hz,1H),7.89–7.85(m,2H),7.77(d,J=7.0Hz,2H),7.54(t,J=7.4Hz,2H),7.47(d,J=7.4Hz,1H),
7.35(s,1H),3.40–3.35(m,2H),1.76–1.70(m,2H),1.37–1.31(m,2H),1.28–1.24(m,2H),
0.81(t,J=7.2Hz,3H).
[0130] 13C NMR(101MHz,Chloroform-d):δ185.19,140.46,137.91,134.76,131.23,130.37,130.05,128.91,128.81,128.32,125.55,124.53,120.49,113.12,112.86,112.03,
77.20,32.48,31.82,26.20,22.21,13.89.
[0131] HR-ESI-MS:m/z calcd.for C16H17OS[M+H]+:316.1695;found:316.1696.[0132] 对比例5
[0133] 与实施例7的区别在于,丙炔酸甲酯与2-(对甲苯基)吲哚嗪的摩尔比为0.5:1,孟加拉玫瑰红与丙炔酸甲酯的摩尔比为0.001:1,碘化钾与丙炔酸甲酯的摩尔比为0.005:1,二甲基亚砜的含量为0.3mL,蓝光LED照射下搅拌11h。旋干后快速柱层析得到目标产物,产率为55%。
[0134] 其他原料来源及含量和制备方法均与实施例7相同。
[0135] 1H NMR(400MHz,Chloroform-d):δ8.34(d,J=7.5Hz,1H),8.29(s,1H),8.02(d,J=8.2Hz,2H),7.84(d,J=12.5Hz,2H),7.55–7.49(m,3H),7.41(t,J=7.4Hz,1H),4.03(s,3H).
[0136] 13C NMR(101MHz,Chloroform-d):δ165.51,135.66,134.05,131.96,129.83,129.11,128.46,127.58,124.43,124.38,119.57,114.77,114.03,113.05,109.10,51.41.[0137] HR-ESI-MS:m/z calcd.for C23H24O2NS2[M+H]+:276.1019;found:276.1017.[0138] 对比例6
[0139] 与实施例7的区别在于,丙炔酸甲酯与2-(对甲苯基)吲哚嗪的摩尔比为4:1,孟加拉玫瑰红与丙炔酸甲酯的摩尔比为4:1,碘化钾与丙炔酸甲酯的摩尔比为4:1,二甲基亚砜的含量为1.8mL,蓝光LED照射下搅拌14h。旋干后快速柱层析得到目标产物,产率为59%。
[0140] 其他原料来源及含量和制备方法均与实施例7相同。
[0141] 1H NMR(400MHz,Chloroform-d):δ8.34(d,J=7.5Hz,1H),8.29(s,1H),8.02(d,J=8.2Hz,2H),7.84(d,J=12.5Hz,2H),7.55–7.49(m,3H),7.41(t,J=7.4Hz,1H),4.03(s,3H).
[0142] 13C NMR(101MHz,Chloroform-d):δ165.51,135.66,134.05,131.96,129.83,129.11,128.46,127.58,124.43,124.38,119.57,114.77,114.03,113.05,109.10,51.41.[0143] HR-ESI-MS:m/z calcd.for C23H24O2NS2[M+H]+:276.1019;found:276.1017.[0144] 对比例7
[0145] 与实施例10的区别在于,3-(噻吩-2-炔基)丙醛与2-(对甲苯基)吲哚嗪的摩尔比为0.5:1,孟加拉玫瑰红与3-(噻吩-2-炔基)丙醛的摩尔比为0.001:1,碘化钾与3-(噻吩-2-炔基)丙醛的摩尔比为0.005:1,二甲基亚砜的含量为0.3mL,蓝光LED照射下搅拌11h。旋干后快速柱层析得到目标产物,产率为75%。
[0146] 其他原料来源及含量和制备方法均与实施例10相同。
[0147] 1H NMR(400MHz,Chloroform-d):δ10.32(s,1H),8.51(t,J=4.2Hz,1H),7.93(d,J=4.2Hz,2H),7.48(dd,J=12.6,6.5Hz,3H),7.42(s,1H),7.35–7.29(m,3H),7.19(d,J=3.5Hz,1H),7.12(dd,J=5.1,3.6Hz,1H).
[0148] 13C NMR(101MHz,Chloroform-d):δ187.44,137.98,133.51,132.39,131.40,130.79,130.16,129.34,129.17,128.52,128.35,128.26,127.57,126.42,123.70,121.04,
115.27,113.95,112.73.
[0149] HR-ESI-MS:m/z calcd.for C23H24O2NS2[M+H]+:328.0790;found:328.0790.[0150] 对比例8
[0151] 与实施例10的区别在于,3-(噻吩-2-炔基)丙醛与2-(对甲苯基)吲哚嗪的摩尔比为4:1,孟加拉玫瑰红与3-(噻吩-2-炔基)丙醛的摩尔比为4:1,碘化钾与3-(噻吩-2-炔基)丙醛的摩尔比为4:1,二甲基亚砜的含量为1.8mL,蓝光LED照射下搅拌14h。旋干后快速柱层析得到目标产物,产率为79%。
[0152] 其他原料来源及含量和制备方法均与实施例10相同。
[0153] 1H NMR(400MHz,Chloroform-d):δ10.32(s,1H),8.51(t,J=4.2Hz,1H),7.93(d,J=4.2Hz,2H),7.48(dd,J=12.6,6.5Hz,3H),7.42(s,1H),7.35–7.29(m,3H),7.19(d,J=3.5Hz,1H),7.12(dd,J=5.1,3.6Hz,1H).
[0154] 13C NMR(101MHz,Chloroform-d):δ187.44,137.98,133.51,132.39,131.40,130.79,130.16,129.34,129.17,128.52,128.35,128.26,127.57,126.42,123.70,121.04,
115.27,113.95,112.73.
[0155] HR-ESI-MS:m/z calcd.for C23H24O2NS2[M+H]+:328.0790;found:328.0790.[0156] 综上,实施例1-3中的原料之一为苯丙炔醛时,进行旋干后快速柱层析,得到目标产物的产率为89%、80%、85%,当使用原料之一为2-辛醛(实施例4-6)时,进行旋干后快速柱层析,得到目标产物的产率为61%、55%、59%,当使用原料之一为丙炔酸甲酯(实施例7-9)时,进行旋干后快速柱层析,得到目标产物的产率为70%、60%、67%,当使用原料之一为
3-(噻吩-2-炔基)丙醛(实施例10-12)时,进行旋干后快速柱层析,得到目标产物的产率为
89%、80%、85%,对比例1-8的原料范围均在权利要求保护的范围之外,可见分别对目标产物进行快速柱层析后得到的产率均比相应实施例的低,且目标产物最高产率可达89%。由此可知,利用本发明中的方法制备得到的吡咯[2,1,5-cd]吲哚嗪环衍生物具有较高的产率。
[0157] 最后应当说明的是,以上内容仅用以说明本发明的技术方案,而非对本发明保护范围的限制,本领域的普通技术人员对本发明的技术方案进行的简单修改或者等同替换,均不脱离本发明技术方案的实质和范围。